The name Jonesy is a boy's name of English origin meaning "God is gracious". Jonesy and is often added to lists like Names That Mean Grace and discussed in our forums with posts like "Love, Like, Lose -- Outlandish/Guilty Pleasures edition!".
From the experts:
It's difficult to imagine anyone using the first name Jonesy -- and in fact, in the most recent US tally, there were nearly 100 babies named Jones but none named Jonesy. Still, this is a name that many people with Jones for a name, last or first, end up being known by, and as a nickname, it's sorta cute in a Skip, Chip, Bitsy kind of way.